Ragowar damuwa na bututun LSAW yana faruwa ne ta hanyar sanyaya mara daidaituwa.Damuwa na saura shine damuwa daidai lokacin kai ba tare da karfi na waje ba.Wannan ragowar damuwa yana wanzuwa a cikin sassa masu zafi na sassa daban-daban.Mafi girman girman sashin sashin ƙarfe na gabaɗaya, mafi girman raguwar damuwa.
Kodayake saura danniya yana daidaita kansa, har yanzu yana da wani tasiri akan aikin membobin ƙarfe a ƙarƙashin ƙarfin waje.Misali, yana iya yin illa ga nakasu, kwanciyar hankali da juriyar gajiya.Bayan waldawa, abubuwan da ba na ƙarfe ba a cikin bututun LSAW ana matse su cikin zanen gado na bakin ciki, wanda ke haifar da lamination.Sa'an nan lamintin yana daɗaɗa ƙarancin aikin bututun LSAW tare da kauri shugabanci, kuma tsagewar tsaka-tsakin na iya faruwa lokacin da walda ta ragu.Nau'in gida da ke haifar da raguwar walda sau da yawa sau da yawa na nau'in ma'aunin yawan amfanin ƙasa, wanda ya fi girma fiye da abin da kaya ke haifarwa.Bugu da ƙari, bututun LSAW ba makawa zai sami tarin T-welds, don haka yiwuwar lahanin walda yana inganta sosai.Haka kuma, da waldi saura danniya a T-weld ne babba, da weld karfe ne sau da yawa a cikin jihar na uku-girma danniya, wanda qara yiwuwar fasa.
Ana rarraba bututun walda na karkace submerged arc welded bututu a karkace layi, kuma welds suna da tsayi.Musamman lokacin walda a ƙarƙashin yanayi mai ƙarfi, walda yana barin wurin kafawa kafin sanyaya, wanda ke da sauƙin samar da fashe mai zafi.The crack shugabanci ne a layi daya da weld da Forms wani hada kwana tare da karfe bututu axis, kullum magana, da kwana ne tsakanin 30-70 °.Wannan kusurwa ya yi daidai da kusurwar gazawar ƙarfi, don haka lanƙwasa, ƙwanƙwasa, matsawa da kaddarorin hana murɗawa ba su da kyau kamar bututun LSAW.A lokaci guda, saboda ƙayyadaddun matsayi na walda, sirdi da kabu na walda na kifi suna shafar bayyanar.Don haka, ya kamata a karfafa NDT na waldan bututun SSAW don tabbatar da ingancin walda, in ba haka ba, bai kamata a yi amfani da bututun SSAW ba a cikin muhimman lokutan tsarin karfe.
Lokacin aikawa: Jul-13-2022